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Material selection and testing for thermal energy storage in solar cooling

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Issue date
2013
Author
Gil, Antoni
Oró Prim, Eduard
Peiró Bell-lloch, Gerard
Álvarez, Servando
Cabeza, Luisa F.
Suggested citation
Gil, Antoni; Oró Prim, Eduard; Peiró Bell-lloch, Gerard; Álvarez, Servando; Cabeza, Luisa F.; . (2013) . Material selection and testing for thermal energy storage in solar cooling. Renewable Energy, 2013, núm. 57, p. 366-371. https://doi.org/10.1016/j.renene.2013.02.008.
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Abstract
The goal of this study is to implement and to test a thermal energy storage (TES) system using different phase change materials (PCM) for solar cooling applications. A high temperature pilot plant able to test different types of TES systems and materials was designed and built at the University of Lleida (Spain). This pilot plant is composed mainly by three parts: heating system, cooling system, and different storage tanks. The pilot plant uses synthetic thermal oil as heat transfer fluid (HTF) and has a working temperature range from 100 to 400 C. Two different PCM were selected after a deep study of the requirements of a real solar cooling plant and the available materials in the market through literature review and DSC analysis. Finally D-mannitol with phase change temperature of 167 C and hydroquinone which has a melting temperature of 172.2 C were used at pilot plant scale. For both PCM, no hysteresis was detected, and at pilot plant only D-mannitol showed subcooling even though both showed it during the DSC analysis. An effective heat transfer coefficient between the storage material and the heat transfer fluid (HTF) was calculated. For the same boundary conditions, the energy stored by D-mannitol was higher than that for hydroquinone. Moreover, D-mannitol has polymorphism that needs to be taken into account when the material is used as PCM, but experiments in this paper showed that polymorphism did not interfere its performance as PCM.
URI
http://hdl.handle.net/10459.1/47840
DOI
https://doi.org/10.1016/j.renene.2013.02.008
Is part of
Renewable Energy, 2013, núm. 57, p. 366-371
European research projects
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  • Articles publicats (Informàtica i Enginyeria Industrial) [761]
  • Publicacions de projectes de recerca del Plan Nacional [2179]

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    The final goal of this study is to implement and to test a thermal energy storage (TES) system using different phase change materials (PCM) for solar cooling and refrigeration applications. A high temperature pilot plant ...
  • Experimental analysis of the effective thermal conductivity enhancement of PCM using finned tubes in high temperature bulk tanks 

    Gil, Antoni; Peiró Bell-lloch, Gerard; Oró Prim, Eduard; Cabeza, Luisa F. (Elsevier, 2018)
    Solar cooling is a promising solution to overcome the high energy demand of buildings. Nevertheless, the time dependent nature of the solar source leads to the need of storage systems in order to better match the energy ...
  • Experimental evaluation at pilot plant scale of multiple PCMs (cascaded) vs. single PCM configuration for thermal energy storage 

    Peiró Bell-lloch, Gerard; Gasia, Jaume; Miró, Laia; Cabeza, Luisa F. (Elsevier, 2015)
    The present paper provides on one hand, a literature review of the different studies available in the scientific literature where the concept of multiple phase change materials (PCM) configuration, also named cascaded ...

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